This document provides a summary of enhancements, support information, and installation
instruction to upgrade your device to FortiOS v5.0 Patch Release 4 build 0228. Please review all
sections in this document prior to upgrading your device. For more information on upgrading
your FortiOS device, see the FortiOS 5.0 Handbook at http://docs.fortinet.com.
This document includes the following sections:
Introduction
Special Notices
Upgrade Information
Product Integration and Support
Resolved Issues
Known Issues
Limitations
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